to have sex in a public place.
Susie and I used to fragschlack at the county fair in the porta Johns.
when the giver purses their lips and blows air between them rapidly upon the tip of the receiver's penis. (blowing a raspberry on someone's dick)
Marnie pursed her lips together and pressed them against Marlon's cock. "Are you ready for your raspberry blowpop?" she asked seductively. A cow mooed in the distance.